770734272 has 224 divisors, whose sum is σ = 2612989440. Its totient is φ = 194641920.

The previous prime is 770734249. The next prime is 770734273. The reversal of 770734272 is 272437077.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 770734272.

It is not an unprimeable number, because it can be changed into a prime (770734273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546304 + ... + 547712.

Almost surely, 2^770734272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770734272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306494720).

770734272 is an abundant number, since it is smaller than the sum of its proper divisors (1842255168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770734272 is a wasteful number, since it uses less digits than its factorization.

770734272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 39.

The square root of 770734272 is about 27762.1013613883. The cubic root of 770734272 is about 916.8568985395.

The spelling of 770734272 in words is "seven hundred seventy million, seven hundred thirty-four thousand, two hundred seventy-two".